Bird feeder base



FIG. 1 is a front, left, upper perspective view of a first embodiment of the bird feeder base of my invention;

FIG. 2 is a top view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a rear view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a perspective view of a second embodiment of the bird feeder base of my invention;

FIG. 9 is a top view thereof;

FIG. 10 is an end view thereof;

FIG. 11 is a side view thereof;

FIG. 12 is an opposite side view thereof;

FIG. 13 is an end view opposite the end depicted in FIG. 10; and,

FIG. 14 is a bottom view thereof. 

The ornamental design for a bird feeder base, as shown. 